How big is the Gigabyte GeForce RTX 5080 Windforce OC SFF 16G?

304 mm long, 126 mm tall and 50 mm thick (about 2.46 slots). It fits 22 of the 25 cases we list.

Length

304mm12.0 in

Height

126mm5.0 in

Thickness

50mm2.0 in

Slots

≈2.46slots

≈ worked out from the thickness at 20.32 mm a slot: Gigabyte publishes millimetres, not slots.

Source: Gigabyte’s spec page, checked October 23, 2026.

Questions

How big is the Gigabyte GeForce RTX 5080 Windforce OC SFF 16G?

The Gigabyte GeForce RTX 5080 Windforce OC SFF 16G is 304 mm long, 126 mm tall and 50 mm thick (about 2.46 slots), from Gigabyte's spec page. Gigabyte publishes the thickness, not a slot count; the slots are worked out at 20.32 mm each.

Which small form factor cases does the Gigabyte GeForce RTX 5080 Windforce OC SFF 16G fit?

It fits 13 of the 16 small form factor cases we list. It doesn't fit the Fractal Design Ridge, NCASE M1 V6.1 or SilverStone SG13.

Which mid-tower cases does the Gigabyte GeForce RTX 5080 Windforce OC SFF 16G fit?

It fits all 9 mid-tower cases we list with room to spare.

Where do these numbers come from?

Card size from Gigabyte's spec page, checked October 2026. Case limits are each case maker's published spec, unless the case's page says Respec measured it. Makers measure differently and connectors add a few millimetres, so treat a tight result as a reason to measure.